Seiko Cal. 7140 - 902

The Seiko 7140-902 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-11992bff556d]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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